Airtac SAUF Series Valve-Mounted Air Cylinder SAUF32X250-08A
The AirTAC Airtac SAUF Series Valve-Mounted Air Cylinder SAUF32X250-08A is a genuine double-acting profile-type cylinder with a Ø32mm bore, 250mm stroke and a built-in 4M210-08 5/2 solenoid valve — it switches itself from one coil signal, so no separate remote valve or extra plumbing is needed.
- BoreØ32 mm
- Stroke250 mm
- Built-in valve4M210-08
- Valve port1/4"
- CoilAC220V
- EntryTerminal
About the Airtac SAUF Series Valve-Mounted Air Cylinder SAUF32X250-08A
The SAUF32X250-08A is a double-acting profile cylinder with a built-in AirTAC 4M210 5/2 solenoid valve on the cap. One coil signal drives the actuator, eliminating remote plumbing and saving a manifold slot. The extruded aluminum barrel makes it shorter than an ISO 15552 unit of the same bore. It uses a 1/8" cylinder port, a 1/4" valve port, and a Ø12 mm rod with an M10x1.25 thread.
Operating within the 0.15-0.8 MPa valve window, it delivers 402 N push force at 0.5 MPa. The integrated valve flows 16 mm2 (Cv 0.89) at up to 5 cycles per second. The AC220V terminal entry coil is IP65 rated with a 0.05 s response. For sizing, a safe working load is roughly 241 N, and it can vertically lift about 20 kg with a 2:1 margin. This SKU lacks a magnet, so it cannot accept a sensor.
Airtac SAUF Series Valve-Mounted Air Cylinder SAUF32X250-08A Technical Specifications
| Model | Airtac SAUF Series Valve-Mounted Air Cylinder SAUF32X250-08A |
|---|---|
| Series | SAUF profile cylinder with valve |
| Bore size | Ø32 mm |
| Stroke | 250 mm |
| Acting type | Double acting, self-valved |
| Cylinder port | 1/8" |
| Rod thread | M10×1.25 |
| PU tube | Ø8 × Ø5 |
| Built-in valve | 4M210-08 (5/2) |
|---|---|
| Valve flow | 16.0 mm² (Cv 0.89) |
| Max frequency | 5 cycle/sec |
| Coil voltage | AC220V · AC 3.5 VA |
| Electrical entry | Terminal · IP65 · B class |
| Response time | 0.05 s and below |
| Operating pressure | 0.15 – 0.8 MPa (valve limit) |
| Speed range | 30 – 800 mm/s |
The cylinder rates to 1.0 MPa but the built-in valve operates 0.15–0.8 MPa, so run the assembled SAUF at 0.15–0.8 MPa. Default: rod retracts when the coil is energised (reconfigurable to extend). Specs follow the official AirTAC SAUF datasheet. Port options: PT / G.
Theoretical Output Force (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
Sized within the valve's 0.15–0.8 MPa range. Actual usable force is lower than theoretical due to friction and back-pressure.
Model Code: Airtac SAUF Series Valve-Mounted Air Cylinder SAUF32X250-08A
| SAUF | Profile cylinder with built-in 4M valve. |
|---|---|
| 32×250 | Bore × stroke in mm. |
| -08 | Valve port 1/4" → 4M210-08. |
| A | Coil voltage AC220V. |
| I / (blank) | Terminal electrical entry. |
SAUF does not hold its load without air — the valve routes air, it is not a lock. For a held load, add an external rod lock or a pilot-operated check valve.
Where the Airtac SAUF Series Valve-Mounted Air Cylinder SAUF32X250-08A Is Used
Decentralized Clamping
Ideal for distributed clamping stations where running a single AC220V wire is faster than plumbing a remote valve manifold.
Inline Diverters
Drives small package diverters directly at the action point, saving manifold space and tubing runs across the conveyor frame.
Component Pushing
Perfect for pushing light parts into test fixtures, switching itself via the built-in 4M210 valve for a compact cell layout.
Is the Airtac SAUF Series Valve-Mounted Air Cylinder SAUF32X250-08A the Right Choice?
Size force within the 0.15-0.8 MPa valve range, not the 1.0 MPa cylinder body rating. At 0.5 MPa this 32 mm bore pushes 402 N; if you need more force, step up to the 40 mm bore (628 N push). The 250 mm stroke is well within the 1000 mm maximum and safely above the 50 mm minimum. Because stroke exceeds 300 mm, use external guides to manage side loads. Confirm the AC220V terminal entry and PT threads suit your setup. The rod retracts by default when energised, but you can reposition the valve to extend on signal. The valve routes air and does not hold the load without pressure—add an external rod lock or pilot-operated check valve for holding.
Quick checklist
- ✓ Force at 0.15–0.8 MPa
- ✓ Coil voltage matches panel
- ✓ Terminal vs grommet entry
- ✓ Retract- or extend-when-energised
- ✓ Load-holding → external rod lock
Airtac SAUF Series Valve-Mounted Air Cylinder SAUF32X250-08A FAQ
It pushes 402 N and pulls 345 N at 0.5 MPa. The built-in valve is a 4M210-08 (1/4" port, Cv 0.89, 5 cycles/s max) driven by an AC220V terminal coil. Size the force within the 0.15-0.8 MPa valve operating window, even though the cylinder body rates to 1.0 MPa.
This SKU lacks a magnet, so it cannot accept a magnetic switch. Regarding holding, the 5/2 valve only routes air; it is not a lock. The piston drifts on air loss, so install an external rod lock or pilot-operated check valve for load holding.
Related AirTAC Cylinders & Valves
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